1101111156159 has 16 divisors (see below), whose sum is σ = 1687930879488. Its totient is φ = 625438670112.

The previous prime is 1101111156083. The next prime is 1101111156161. The reversal of 1101111156159 is 9516511111011.

It is not a de Polignac number, because 1101111156159 - 2²³ = 1101102767551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101111156169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156984112 + ... + 156991125.

It is an arithmetic number, because the mean of its divisors is an integer number (105495679968).

Almost surely, 2^{1101111156159} is an apocalyptic number.

1101111156159 is a deficient number, since it is larger than the sum of its proper divisors (586819723329).

1101111156159 is a wasteful number, since it uses less digits than its factorization.

1101111156159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313975414.

The product of its (nonzero) digits is 1350, while the sum is 33.

The spelling of 1101111156159 in words is "one trillion, one hundred one billion, one hundred eleven million, one hundred fifty-six thousand, one hundred fifty-nine".